# STutor vs Sudoklue

The clearest difference is price: STutor at $0.99 against Sudoklue's $7.99. STutor also leads on review sentiment (100% vs 79%) and rating (5.0 vs 4.8). Sudoklue's advantage is ratings volume (69 vs 1) and update cadence (every 6 months vs every 28 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

STutor costs $0.99 and Sudoklue $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

STutor holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Sudoklue has 69 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of STutor's written reviews are positive against 79% of Sudoklue's.

STutor ships an update every 28 months, Sudoklue every 6 months. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | STutor | Sudoklue |
| --- | --- | --- |
| Price | **$0.99** | $7.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stutor/id714298825/reviews)** | [4.8 (69 ratings)](https://appshunter.io/ios/app/sudoklue/id1549550293/reviews) |
| Number of ratings | 1 | **69** |
| Positive reviews | **100.0% of reviews** | 78.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 2 MB | 37 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert Carlson](https://appshunter.io/developer/714298828) | [Martysoft LLC](https://appshunter.io/developer/1493293014) |

## What reviewers say

### STutor

[App page](https://appshunter.io/ios/app/stutor/id714298825)

This app assists in solving Sudoku puzzles by offering three levels of hints and employing five logical solving strategies. It allows manual puzzle entry or input via an 81-character string, with options to save, recall, and manage puzzles. The app validates entries against its solution and displays possible numbers for incorrect moves.

**Highlights:** Three levels of hints, Five logical solving strategies, Manual puzzle entry, 81-character string input, Puzzle saving and management, Entry validation against solution, Display of possible numbers

**In-app purchases:** none


### Sudoklue

[App page](https://appshunter.io/ios/app/sudoklue/id1549550293)

Learn to solve any Sudoku puzzle with step-by-step, math-free instructions. Input puzzles from external sources or generate your own, with adjustable difficulty levels. Master solving techniques and receive detailed hints and analysis.

**Highlights:** Step-by-step solving instructions, Math-free approach, Input puzzles from any source, Generate custom puzzles, Learn primary solving techniques, Detailed hints and analysis, Virtual pencil for notes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is STutor free?

STutor costs $0.99, with no in-app purchases.

### Is Sudoklue free?

Sudoklue costs $7.99, with no in-app purchases.

### Which has better reviews, STutor or Sudoklue?

STutor is rated higher. STutor averages 5.0 out of 5 from 1 ratings, while Sudoklue averages 4.8 from 69 ratings.

### Do STutor or Sudoklue have ads?

Neither STutor nor Sudoklue shows ads.

### Which is updated more often, STutor or Sudoklue?

STutor ships an update every 28 months, and Sudoklue every 6 months. Most recently, STutor was updated on September 21, 2026 and Sudoklue on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*